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 vi·nyl /ˈvaɪnḷ/
 乙烯基

 vi·nyl /ˈvaɪnḷ/ 名詞
 乙烯基,乙烯樹脂

 Vi·nyl n.  Chem. The hypothetical radical C2H3, regarded as the characteristic residue of ethylene and that related series of unsaturated hydrocarbons with which the allyl compounds are homologous.
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 vinyl
      n 1: a univalent chemical radical derived from ethylene [syn: vinyl
           group, vinyl radical]
      2: shiny and tough and flexible plastic; used especially for
         floor coverings